| PRP | physiologic rest position; pityriasis rubra pilaris; platelet-rich plasma; polyribosyl ribitol phosp... |
|---|---|
| PSR | pain sensitivity range; perspective surface rendering; portal systemic resistance; proliferative sic... |
| ROP | removal of pins or plates; removal of plaster [of Paris]; retinopathy of prematurity; right occipito... |
| VSR | venous stasis retinopathy |